Small under the radar high quality Napa area wineries

I’ll throw in Barlow in Calistoga. Awesome family and wine. Their hospitality is A+.

All mentioned previously:
Bougetz
EMH
DiCostanzo

Stellareese in Calistoga, also a BerserkerDay participant. They do 250 cases per year of cab plus some Grenache and Chardonnay.

lola (the artisanal series) and james joseph were the two I found I liked last time there

+1!

What’s your definition of a winery? Do you need a place to visit/taste/buy and where they make the wine?

Hyde de Villaine

Kinsman Eades among the very best

Patria by Tony Biagi count?

Agree with EMH and William and Mary. would also add Beta.

Otra Vez by Vincent Arroyo.

This might be helpful: Reviews - The Napa Wine Project

Are they wineries? Or wines ?

Lot’s of great options but for me these would be the top 2 and also add EMH, Detert and Beta